Sowing device

Details Sowing device Sowing device

2008-10-23

2009-11-10

Novosad, Christopher J. (Department: 3641)

Planting

Seed tape planter

C111S200000, C111S903000, C111S904000, C111S921000, C111S922000

Reexamination Certificate

active

07614353

ABSTRACT:
A sowing device having a travelling framework (2) is described, which comprises a storage roll (3) for a seed strip (4) equipped with individual grains (5) of a seed, and an unwinding unit (6) for the seed strip (4) drivable as a function of the travel distance. To ensure a precise deposit of the seed grains (5), it is suggested that a sensor (15) for the individual grains (5) in the seed strip (4) be provided in the area of the seed strip section (14) between the unwinding unit (6) and a ground-proximal deflection roll (8), and a control unit (16), connected on one hand to the sensor (15) and on the other hand to a travel distance encoder (18), activate the drive (17) of the unwinding unit (6) as a function of the difference between the actual location of the seed grains (5) detected by the sensor (15) and a setpoint location predefinable with the aid of the travel distance encoder (18).

REFERENCES:
patent: 5165351 (1992-11-01), Billings
patent: 6305303 (2001-10-01), Wright et al.
patent: 0 218 145 (1987-04-01), None
patent: 1 785 024 (2007-05-01), None
patent: 2003143905 (2003-05-01), None

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